media: dt-bindings: qcom,x1e80100-camss: Fix typo in CSIPHY supply description

Correct description of the CSIPHY 1.2 V supply
("vdd-csiphy-1p2-supply"), because it supplies 1.2 V, confirmed with DTS
on the mailing lists.

Signed-off-by: Krzysztof Kozlowski <[e-mail]>
Acked-by: Rob Herring (Arm) <[e-mail]>
Acked-by: Bryan O'Donoghue <[e-mail]>
Reviewed-by: Konrad Dybcio <[e-mail]>
Signed-off-by: Bryan O'Donoghue <[e-mail]>
Signed-off-by: Hans Verkuil <[e-mail]>

Documentation/devicetree/bindings/media/qcom,x1e80100-camss.yaml

···
 
   vdd-csiphy-1p2-supply:
     description:
-      Phandle to 1.8V regulator supply to a PHY.
+      Phandle to 1.2V regulator supply to a PHY.
 
   ports:
     $ref: /schemas/graph.yaml#/properties/ports